Morris, D. (1971). The human zoo: Desmond Morris (Reprinted.). Transworld.
Lua i Stíl Chicago (17ú heag.)Morris, Desmond. The Human Zoo: Desmond Morris. Reprinted. London: Transworld, 1971.
Lua MLA (8ú heag.)Morris, Desmond. The Human Zoo: Desmond Morris. Reprinted. Transworld, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.